Service Manual
29
SYSTEM OPERATION
DIP SWITCH S ETTINGS
PCBBF137 CONTROL BOARD DIP SWITCHES
1
2
3
S1
1
2
3
4
Cooling
CFM
Switches
Heating Fan
Off Delay
S3
S2
1
2
Heating
CFM
Switches
Thermostat
Selection
Switches
1
2
3
DIP
Switch
Group
DIP
Switch
Number
Purpos e
Auto 1 OFF* 2 ON*
10 Minutes 1 ON 2 OFF
20 Minutes 1 ON 2 ON
2 Stage 1 OFF 2 OFF
90 Seconds 3 OFF 4 OFF
120 Seconds 3 OFF 4 ON
150 Seconds 3 ON* 4 OFF*
180 Seconds 3 ON* 4 ON
* = Factory Pos i ti on
Function
S1
1, 2
3, 4
Heat
Staging /
Delay
Blower
Heat Off
Delay
PCBBF139 CONTROL BOARD DIP SWITCHES
S1
1
2
3
4
Cooling
CFM
Switches
Heating Fan
Off Delay
S3
S2
1
2
3
4
1
2
3
4
Heating
CFM
Switches
Continuous
Fan CFM
Switches
Thermostat
Selection
Switches
1234
2 Stage Stat OFF OFF
1 Stg Stat 10 min delay ON OFF
1 Stg Stat 20 min delay ON ON
Auto OFF* ON*
90 OFF OFF
120 OFF ON
150 ON* OFF*
180 ON ON
* FACTORY
SETTING
Dip Switch
Switch
Group
Function
S3
S3
Heating Fan
Off Delay
Purpose
Thermostat
Setup